Analysis

  • max time kernel
    120s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 01:01

General

  • Target

    8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe

  • Size

    90KB

  • MD5

    82a09ca4d3cf965d3c1c1a75a95f8550

  • SHA1

    7ed4cfe1c286082818114426154bf85c7e072e57

  • SHA256

    8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59

  • SHA512

    3bf05fee0d20091bd510f57ca4446cfed7dd3620403a743429680a9428c5239549d107092638fb10a78ef4489be543b4b49ef99ca55af5feae3c694d341768f2

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDf:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3t

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 22 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe
    "C:\Users\Admin\AppData\Local\Temp\8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Local\Temp\8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe
      "C:\Users\Admin\AppData\Local\Temp\8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\XCNKJ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2468
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:3056
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2376
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1580
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\XCNKJ.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

  • \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

    Filesize

    90KB

    MD5

    0609eaf00868654aa9fb4fe2115b9f57

    SHA1

    db5747edea4d41bb632c56142d693e26d12d1767

    SHA256

    d9f2b9479bbd15a510a6019dc1e39973ef73af6b5cc3c69010b43adcd4854b14

    SHA512

    04affe18275f83e1e67970a0170ae6b2dde7b728b463d703cc71a0add5ce2de4fcc9603d179fbf785e05900a79fe45af19709020cee0cec5274ff9e72a344ed5

  • memory/352-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/352-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1580-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2376-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2376-215-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2376-178-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2376-157-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2376-167-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2568-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2568-250-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2568-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2568-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2568-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2568-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2568-242-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2568-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2568-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2568-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2568-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2568-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2568-212-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2568-245-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2568-244-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2568-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2568-150-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2568-149-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2568-148-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2568-147-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2568-146-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2568-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2792-101-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-29-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2792-41-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2792-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2792-71-0x0000000000740000-0x0000000000741000-memory.dmp

    Filesize

    4KB

  • memory/2792-79-0x0000000000760000-0x0000000000762000-memory.dmp

    Filesize

    8KB

  • memory/2792-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-5-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2792-15-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2792-21-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2792-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2792-3-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB